<!DOCTYPE html><html lang="zh-CN"><head>
   <meta charset="UTF-8">
   <title>产品月销量</title>
   <link rel="stylesheet" href="style.css"></head><body>
   <h1>产品月销量</h1>
   <table class="sales-table">
       <thead>
           <tr>
               <th>ID</th>
               <th>产品名称</th>
               <th>销量</th>
           </tr>
       </thead>
       <tbody>
           <tr>
               <td>2021090901</td>
               <td>马克杯</td>
               <td>5000</td>
           </tr>
           <tr>
               <td>2021090901</td>
               <td>啤酒杯</td>
               <td>5200</td>
           </tr>
           <tr>
               <td>2021090901</td>
               <td>搪瓷杯</td>
               <td>3500</td>
           </tr>
       </tbody>
       <tfoot>
           <tr>
               <td colspan="2">合计</td>
               <td>13700</td>
           </tr>
       </tfoot>
   </table></body></html>